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Finding the Fourth Proportional to 68,775.52, 94,292.12 and 67,531.36

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Solution

The fourth proportional to 68,775.52, 94,292.12 and 67,531.36 is: 92,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,775.52 : 94,292.12 = 67,531.36 : x
  2. Step 2: Convert to fraction form
    68,775.52/94,292.12 = 67,531.36/x
  3. Step 3: Cross multiply
    68,775.52x = 94,292.12 × 67,531.36
  4. Step 4: Simplify right side
    68,775.52x = 6,367,675,100.88
  5. Step 5: Solve for x
    x = 6,367,675,100.88/68,775.52
  6. Step 6: Final answer
    x = 92,586.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.